10-Letter Adjectives Starting With I

Here's the list of all the 274 10-Letter Adjectives Starting With I in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Adjectives (with Definitions and Examples)
individual
1. separate and distinct from others of the same kind
2. characteristic of or meant for a single person or thing
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industrial
1. of or relating to or resulting from industry
2. having highly developed industries
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interested
1. having or showing interest; especially curiosity or fascination or concern
2. involved in or affected by or having a claim to or share in
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integrated
1. formed into a whole or introduced into another entity
2. not segregated; designated as available to all races or groups
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identified
1. having the identity known or established
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increasing
1. becoming greater or larger
2. (music) increasing in tempo and/or volume
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initiative
1. serving to set in motion
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innovative
1. ahead of the times
2. being or producing something like nothing done or experienced or created before
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impossible
1. totally unlikely
2. (used of persons or their behavior) not acceptable or reasonable
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incredible
1. beyond belief or understanding
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impressive
1. producing a strong effect
2. making a strong or vivid impression
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indigenous
1. originating where it is found
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incomplete
1. not yet finished
2. not complete or total; not completed
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interstate
1. involving and relating to the mutual relations of states especially of the United States
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infectious
1. easily spread
2. of or relating to infection
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inadequate
1. lacking the requisite qualities or resources to meet a task
2. of insufficient quantity to meet a need
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inevitable
1. incapable of being avoided or prevented
2. invariably occurring or appearing
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irrelevant
1. having no bearing on or connection with the subject at issue
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incidental
1. not of prime or central importance
2. occurring with or following as a consequence
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insightful
1. exhibiting insight or clear and deep perception
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inaccurate
1. erroneous
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invaluable
1. having incalculable monetary, intellectual, or spiritual worth
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inflatable
1. designed to be filled with air or gas
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imperative
1. requiring attention or action
2. relating to verbs in the imperative mood
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indicative
1. relating to the mood of verbs that is used simple in declarative statements
2. (usually followed by `of') pointing out or revealing clearly
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intestinal
1. of or relating to or inside the intestines
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intriguing
1. disturbingly provocative
2. capable of arousing interest or curiosity
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intangible
1. hard to pin down or identify
2. lacking substance or reality; incapable of being touched or seen
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imprisoned
1. being in captivity
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indefinite
1. not decided or not known
2. vague or not clearly defined or stated
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irrational
1. not consistent with or using reason
2. real but not expressible as the quotient of two integers
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ineligible
1. prohibited by official rules
2. not eligible
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immaculate
1. completely neat and clean
2. free from stain or blemish
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irritating
1. causing irritation or annoyance
2. (used of physical stimuli) serving to stimulate or excite
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implicated
1. culpably involved
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inhibitory
1. restrictive of action
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interfaith
1. involving persons of different religious faiths
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improbable
1. having a probability too low to inspire belief
2. too improbable to admit of belief
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illuminateMore Definitions →
imaginable
1. capable of being imagined
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intramural
1. carried on within the bounds of an institution or community
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invincible
1. incapable of being overcome or subdued
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infrequent
1. not frequent; not occurring regularly or at short intervals
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impeccable
1. without fault or error
2. not capable of sin
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illiterate
1. not able to read or write
2. lacking culture, especially in language and literature
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improvised
1. done or made using whatever is available
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impervious
1. not admitting of passage or capable of being affected
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incoherent
1. unable to express yourself clearly or fluently
2. without logical or meaningful connection
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intolerant
1. unwilling to tolerate difference of opinion
2. narrow-minded about cherished opinions
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interwoven
1. linked or locked closely together as by dovetailing
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idealistic
1. of or relating to the philosophical doctrine of the reality of ideas
2. of high moral or intellectual value; elevated in nature or style
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injectable
1. (used of drugs) capable of being injected
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intrastate
1. relating to or existing within the boundaries of a state
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idiopathic
1. (of diseases) arising from an unknown cause
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insatiable
1. impossible to satisfy
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isomorphic
1. having similar appearance but genetically different
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immaterial
1. not pertinent to the matter under consideration
2. (often followed by `to') lacking importance; not mattering one way or the other
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impersonal
1. not relating to or responsive to individual persons
2. having no personal preference
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inflexible
1. incapable of adapting or changing to meet circumstances
2. incapable of change
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irreverent
1. showing lack of due respect or veneration
2. characterized by a lightly pert and exuberant quality
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iridescent
1. varying in color when seen in different lights or from different angles
2. having a play of lustrous rainbow colors
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infallible
1. incapable of failure or error
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interlaced
1. having a pattern of fretwork or latticework
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inoperable
1. not able to perform its normal function
2. not suitable for surgery
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intertidal
1. of or relating to the littoral area above the low-tide mark
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inflectionMore Definitions →
incendiary
1. involving deliberate burning of property
2. arousing to action or rebellion
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inordinate
1. beyond normal limits
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infeasible
1. not capable of being carried out or put into practice
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inheriting
1. having the legal right to inherit
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invertible
1. having an additive or multiplicative inverse
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inimitable
1. defying imitation; matchless
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isothermal
1. of a process or change taking place at constant temperature
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indistinct
1. not clearly defined or easy to perceive or understand
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infinitiveMore Definitions →
infuriated
1. marked by extreme anger
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immemorial
1. long past; beyond the limits of memory or tradition or recorded history
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indwelling
1. existing or residing as an inner activating spirit or force or principle
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inexorable
1. not to be placated or appeased or moved by entreaty
2. impervious to pleas, persuasion, requests, reason
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indentured
1. bound by contract
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indecisive
1. characterized by lack of decision and firmness
2. not definitely settling something
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impassable
1. incapable of being passed
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incestuous
1. resembling incest as by excessive intimacy
2. relating to or involving incest
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infatuated
1. marked by foolish or unreasoning fondness
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indictable
1. liable to be accused, or cause for such liability
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implacable
1. incapable of being placated
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iatrogenic
1. induced by a physician's words or therapy (used especially of a complication resulting from treatment)
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inebriated
1. stupefied or excited by a chemical substance (especially alcohol)
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inviolable
1. immune to attack; incapable of being tampered with
2. must be kept sacred
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idempotent
1. unchanged in value following multiplication by itself
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invariable
1. not liable to or capable of change
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10-Letter Adjectives Starting With I